“99”新疆特大混合型洪水的气象成因分析

Analysis of Meteorological Contributing Factors to the Worst Mixed Flood in Xinjiang in 1999

分析了 1999年夏季处在干旱半干旱地区的新疆发生的特大混合型洪水的气象成因 ,指出由于高空迅速持续升温引起高山积雪大面积融化加上山区局地暴雨 ,二者共同作用是造成 1999年新疆夏季特大混合型洪水的主要原因。冰雪融化成分显著 ,是 1999年夏季洪水的重要特征 ,文中分析了其可预报性 ,强调了对夏季高山积雪监测的重要性。

Meteorological contributing factors to the worst mixed flood in Xinjiang in summer 1999 were analyzed It is snowmelt in a large area resulted from quick and persistent upper temperature rise and local torrent in mountains that results in this time worst mixed flood and the former is more important Also, the predictability of the flood was analyzed and the importance of monitoring snow cover in mountains in summer was emphasized